Simple 3x3 redstone door

Item Name

Number of Items

Stacks (round up)

Shulkers (round up)

White Stained Glass

31

1

1

Redstone Dust

24

1

1

Quartz Block

19

1

1

Sticky Piston

15

1

1

Observer

14

1

1

Repeater

13

1

1

Blue Wool

11

1

1

Green Wool

10

1

1

Yellow Wool

9

1

1

Dropper

7

1

1

Purple Wool

7

1

1

Blue Stained Glass

5

1

1

Comparator

5

1

1

Piston

5

1

1

Obsidian

2

1

1

Redstone Block

2

1

1

Redstone Torch

1

1

1

Sticky Piston Arm

1

1

1

Furnace

1

1

1

Lever

1

1

1

Target Block

1

1

1